package com.itheima.method;

public class Demo12Method {
    public static void main(String[] args) {
        int[] arr = {10,20,30};
        System.out.println("调用change方法前:" + arr[1]);
        change(arr);
        System.out.println("调用change方法后:" + arr[1]);
    }
    public static void change(int[] brr){
        brr[1] = 200;
    }
}
